No it is tracked daily.
This link to the CDC statistics has influenza data including daily deaths There is an export link to Excel.
Once the data is displayed in Excel using the SUM function you can add up the weekly deaths to see the deaths since OCT 2019 to the last reported dates. Yesterday the total deaths for the 2019-2020 flu season totaled 11,199.
https://www.cdc.gov/flu/weekly/index.htm
Ok...those are estimates, right?